<body>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <!-- https://developer.mozilla.org/zh-CN/docs/Web/HTML/Element/img#attr-loading -->
    <img loading="lazy" src="https://bing.com/th?id=OHR.RichmondParkDuck_ZH-CN4956127005_1920x1080.jpg" alt="">
</body>

<style>
    .box {
        width: 500px;
        height: 300px;
        margin-bottom: 10px;
        border-radius: 10px;
        background-color: #efefef;
    }
    img {
        width: 500px;
        border-radius: 10px;
    }
</style>
